Used Komatsu PC400 excavator for Construction Use

1. Product Overview

The Used Komatsu PC400 Excavator is a high-capacity hydraulic excavator engineered for heavy-duty construction, mining, and large-scale earthmoving projects. Known for its robust performance, reliability, and operational efficiency, the PC400 delivers exceptional digging force, smooth operation, and precision control, even under the most demanding conditions.

Equipped with a powerful Komatsu diesel engine and advanced hydraulic systems, the PC400 provides enhanced fuel efficiency, reduced emissions, and precise operation, making it suitable for both environmentally-conscious and performance-focused construction projects. Its reinforced boom, arm, and durable undercarriage ensure long-term durability, while the operator cabin is designed for comfort, visibility, and intuitive control, supporting high productivity during extended working hours.

Ideal for foundation excavation, trenching, material handling, and site preparation, this used Komatsu PC400 provides cost-effective performance and operational reliability for contractors, construction companies, and municipal projects.

2. Technical Specifications

Note: Specifications may vary depending on the year of manufacture, regional configuration, and optional attachments.

3. Key Features and Advantages

3.1. High-Performance Engine

• The Komatsu SAA6D125E-7 engine delivers powerful, reliable performance for heavy-duty excavation.

• Optimized for fuel efficiency, lowering operational costs.

• Compliant with Tier II/Tier III emission standards, ensuring environmentally friendly operation.

3.2. Advanced Hydraulic System

• Load-sensing hydraulics enable smooth boom, arm, and bucket movement.

• Supports attachments such as hydraulic breakers, grapples, and shears, enhancing versatility.

• Ensures precise and responsive control, improving efficiency in complex projects.

3.3. Durable Structure

• Reinforced boom, arm, and undercarriage designed to withstand heavy loads and harsh construction environments.

• Tracks and rollers built for long-term stability on rough or uneven terrain.

3.4. Operator Comfort

• Spacious cab with adjustable, ergonomic seat for reduced fatigue.

• Large windows provide excellent visibility, enhancing safety.

• Noise and vibration reduction features improve operator productivity.

4. Operation Instructions

4.1. Pre-Operation Checklist

• Check engine oil, hydraulic fluid, coolant, and fuel levels.

• Inspect undercarriage, tracks, rollers, and attachments for wear or damage.

• Ensure all control systems, alarms, and safety mechanisms are functioning.

• Confirm the work area is clear of obstacles, debris, and personnel.

4.2. Operating the PC400

• Start the engine and allow a warm-up period before heavy operation.

• Use ECO mode for light-duty tasks to save fuel and reduce emissions.

• Operate within rated load capacities to prevent structural stress.

• Maintain smooth, controlled movements when swinging, lifting, or digging.

4.3. Shutdown Procedure

• Lower attachments and bucket to the ground.

• Idle engine for a few minutes to stabilize hydraulic pressure and temperature.

• Turn off engine and engage parking lock.

5. Energy Efficiency and Emission Standards

5.1. Fuel-Efficient Design

• Advanced engine management system optimizes fuel consumption.

• Load-sensing hydraulics reduce unnecessary energy use.

• Efficient design reduces overall operational costs for contractors.

5.2. Compliance with Emission Standards

• Complies with EPA Tier II / Tier III and EU Stage II emission standards.

• Reduces harmful emissions such as NOx and particulate matter.

• Supports environmentally responsible construction practices.

5.3. ECO Mode Operations

• Optimizes hydraulic output for low-load tasks, minimizing fuel consumption.

• Ideal for grading, light digging, or material handling where full power is unnecessary.

6. Maintenance Requirements

6.1. Daily Maintenance

• Inspect hydraulic hoses, fittings, and cylinders for leaks.

• Check undercarriage, rollers, and tracks for debris and wear.

• Verify fluid levels (engine oil, hydraulic fluid, coolant).

• Lubricate pivot points, pins, and bushings.

6.2. Weekly Maintenance

• Inspect and clean air filters.

• Check track tension and roller alignment.

• Examine hydraulic hoses and fittings for wear or damage.

6.3. Periodic Maintenance Schedule

Proper maintenance ensures optimal performance, safety, and long-term reliability.

7. Applications

7.1. Heavy Construction

• Foundation excavation, trenching, and site grading.

• Large-scale earthmoving for roads, bridges, and commercial projects.

7.2. Mining and Quarrying

• Excavation of rock, gravel, and mineral deposits.

• Handling and loading of bulk materials.

7.3. Utility and Infrastructure Projects

• Pipeline installation and maintenance.

• Sewer, water, and electrical construction projects.

7.4. Demolition and Material Handling

• Light-to-medium demolition tasks with hydraulic attachments.

• Handling construction debris, logs, and bulk materials.

8. Attachments and Accessories

Attachments enhance the versatility and operational efficiency of the PC400 in various projects.

9. Advantages of Used Komatsu PC400

1. High Capacity: Suitable for heavy-duty construction and large-scale excavation.

2. Fuel Efficiency: Optimized hydraulics and engine management reduce fuel costs.

3. Durable Design: Reinforced boom, arm, and undercarriage for long-term reliability.

4. Operator Comfort: Spacious cab with noise and vibration reduction.

5. Versatility: Supports multiple attachments for diverse tasks.

6. Environmental Compliance: Meets emission standards for responsible construction.

7. Technical Support: Access to spare parts, authorized dealers, and training programs.

10. Conclusion

The Used Komatsu PC400 Excavator for Construction Use is a reliable, fuel-efficient, and versatile heavy-duty excavator ideal for large-scale construction, mining, and infrastructure projects. Its advanced hydraulic system, durable structure, and operator-focused design ensure high productivity and operational efficiency.

By following recommended operating procedures, regular maintenance schedules, and using genuine spare parts, the PC400 guarantees long-term reliability, safety, and cost-effective performance, making it a valuable asset for contractors and construction professionals worldwide.